Learn Rails Programming in Less than 2 Hours

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This course teaches the basics of Rails development. Rails is a framework for developing database enabled web applications quickly and easily. In this course, we assume that you already have a knowledge of Ruby.

The course is divided into three units. In unit 1, we'll look at how Rails is organized. We'll talk about the Model / View / Controller design pattern and how Rails implements it, and how to create a very simple “Hello world” application in Rails. We'll also look at creating an application using a scaffold, and create a simple app to track contacts and phone numbers.

Unit 2 will dive deeper into Rails, and create our contacts app from scratch, starting with a simple controller and view Along the way, we'll learn about resources and creating a model for the app, as well as view to add a contact and show the most recently added contact.

In Unit 3, we'll finish up the application by creating actions and view to allow the user to show all contacts, and edit and delete them as well. We'll also look at creating links between views that tie the application together.

I hope you enjoy the course as much as I've enjoyed writing it.

Topics covered:

Unit 1

Intro to Rails

Getting Rails on your computer

Model / View / Controller

Creating a new Rails app

The directory structure

Hello, Rails

Creating an app with a scaffold

A simple scaffold-based contacts app

Unit 2

Creating controllers

Action methods map to views

Creating views

Embedding Ruby in HTML

Creating resources

Creating a model

Adding a new contact: the new action

Adding the contact to the database: the create action

Showing the contact: the show action

Unit 3

Showing all contacts: the index action

Editing a contact: the update action

Deleting a contact: the destroy action

Linking from the home page to the contacts index

Linking up all the actions from the index page

Course Curriculum

Rails Basic

• Introduction (5:10)
• Model / View / Controller (5:17)
• Rails App Directory Structure (4:05)
• Creating a New Rails Project (5:32)
• Rendering Text in the Browser (5:53)
• New Application with a Scaffold (11:08)

Your First Rail Project

• The “people” Project – a Contact List: Creating a Controller and Index View (7:50)
• Creating Resources, a Controller and a View (10:00)
• Demo of Resource, Controller, and View Creation (10:31)
• Adding Embedded Ruby to the View (10:38)
• Creating and Migrating the Model (9:12)
• Showing the Added Record (3:57)

Actions and Views

• The Index action and erb (7:57)
• Adding Links (6:52)
• For Validation with Regular Expressions (11:14)
• Deleting a Record (9:54)
• Updating a Record (9:08)
• Refactoring (6:31)

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